There is a complete TED 2014 talk from Hugh Herr, the head of the MIT Media Lab's Biomechatronics group. Highly recommended.<p><a href="https://www.ted.com/talks/hugh_herr_the_new_bionics_that_let_us_run_climb_and_dance/" rel="nofollow">https://www.ted.com/talks/hugh_herr_the_new_bionics_that_let...</a>